toolkit/content/tests/widgets/test_popupanchor.xul

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/content/tests/widgets/test_popupanchor.xul	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,410 @@
     1.4 +<?xml version="1.0"?>
     1.5 +<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
     1.6 +<?xml-stylesheet href="/tests/SimpleTest/test.css" type="text/css"?>
     1.7 +
     1.8 +<window title="Popup Anchor Tests"
     1.9 +  xmlns:html="http://www.w3.org/1999/xhtml"
    1.10 +  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
    1.11 +
    1.12 +  <panel id="testPanel"
    1.13 +         type="arrow"
    1.14 +         animate="false"
    1.15 +         noautohide="true">
    1.16 +  </panel>
    1.17 +
    1.18 +  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
    1.19 +
    1.20 +<script>
    1.21 +<![CDATA[
    1.22 +var anchor, panel, arrow;
    1.23 +
    1.24 +function is_close(got, exp, msg) {
    1.25 +  // on some platforms we see differences of a fraction of a pixel - so
    1.26 +  // allow any difference of < 1 pixels as being OK.
    1.27 +  ok(Math.abs(got - exp) < 1, msg + ": " + got + " should be equal(-ish) to " + exp);
    1.28 +}
    1.29 +
    1.30 +function isArrowPositionedOn(side, offset) {
    1.31 +  var arrowRect = arrow.getBoundingClientRect();
    1.32 +  var arrowMidX = (arrowRect.left + arrowRect.right) / 2;
    1.33 +  var arrowMidY = (arrowRect.top + arrowRect.bottom) / 2;
    1.34 +  var panelRect = panel.getBoundingClientRect();
    1.35 +  var panelMidX = (panelRect.left + panelRect.right) / 2;
    1.36 +  var panelMidY = (panelRect.top + panelRect.bottom) / 2;
    1.37 +  // First check the "flip" of the panel is correct.  If we are expecting the
    1.38 +  // arrow to be pointing to the left side of the anchor, the arrow must
    1.39 +  // also be on the left side of the panel (and vice-versa)
    1.40 +  // XXX - on OSX, the arrow seems to always be exactly in the center, hence
    1.41 +  // the 'equals' sign in the "<=" and ">=" comparisons.  NFI why though...
    1.42 +  switch (side) {
    1.43 +    case "left":
    1.44 +      ok(arrowMidX <= panelMidX, "arrow should be on the left of the panel");
    1.45 +      break;
    1.46 +    case "right":
    1.47 +      ok(arrowMidX >= panelMidX, "arrow should be on the right of the panel");
    1.48 +      break;
    1.49 +    case "top":
    1.50 +      ok(arrowMidY <= panelMidY, "arrow should be on the top of the panel");
    1.51 +      break;
    1.52 +    case "bottom":
    1.53 +      ok(arrowMidY >= panelMidY, "arrow should be on the bottom of the panel");
    1.54 +      break;
    1.55 +    default:
    1.56 +      ok(false, "invalid position " + where);
    1.57 +      break;
    1.58 +  }
    1.59 +  // Now check the arrow really is pointing where we expect.  The middle of
    1.60 +  // the arrow should be pointing exactly to the left (or right) side of the
    1.61 +  // anchor rect, +- any offsets.
    1.62 +  if (offset === null) // special case - explicit 'null' means 'don't check offset'
    1.63 +    return;
    1.64 +  offset = offset || 0; // no param means no offset expected.
    1.65 +  var anchorRect = anchor.getBoundingClientRect();
    1.66 +  var anchorPos = anchorRect[side];
    1.67 +  switch (side) {
    1.68 +    case "left":
    1.69 +    case "right":
    1.70 +      is_close(arrowMidX - anchorPos, offset, "arrow should be " + offset + "px from " + side + " side of anchor");
    1.71 +      is_close(panelRect.top, anchorRect.bottom, "top of panel should be at bottom of anchor");
    1.72 +      break;
    1.73 +    case "top":
    1.74 +    case "bottom":
    1.75 +      is_close(arrowMidY - anchorPos, offset, "arrow should be " + offset + "px from " + side + " side of anchor");
    1.76 +      is_close(panelRect.right, anchorRect.left, "right of panel should be left of anchor");
    1.77 +      break;
    1.78 +    default:
    1.79 +      ok(false, "unknown side " + side);
    1.80 +      break;
    1.81 +  }
    1.82 +}
    1.83 +
    1.84 +function openSlidingPopup(position, callback) {
    1.85 +  panel.setAttribute("flip", "slide");
    1.86 +  _openPopup(position, callback);
    1.87 +}
    1.88 +
    1.89 +function openPopup(position, callback) {
    1.90 +  panel.setAttribute("flip", "both");
    1.91 +  _openPopup(position, callback);
    1.92 +}
    1.93 +
    1.94 +function _openPopup(position, callback) {
    1.95 +  // this is very ugly: the panel CSS sets the arrow's list-style-image based
    1.96 +  // on the 'side' attribute.  If the setting of the 'side' attribute causes
    1.97 +  // the image to change, we may get the popupshown event before the new
    1.98 +  // image has loaded - which causes the size of the arrow to be incorrect
    1.99 +  // for a brief moment - right when we are measuring it!
   1.100 +  // So we work around this in 2 steps:
   1.101 +  // * Force the 'side' attribute to a value which causes the CSS to not
   1.102 +  //   specify an image - then when the popup gets shown, the correct image
   1.103 +  //   is set, causing a load() event on the image element.
   1.104 +  // * Listen to *both* popupshown and the image load event.  When both have
   1.105 +  //   fired (the order is indeterminate) we start the test.
   1.106 +  panel.setAttribute("side", "noside");
   1.107 +  var numEvents = 0;
   1.108 +  function onEvent() {
   1.109 +    if (++numEvents == 2) // after both panel 'popupshown' and image 'load'
   1.110 +      callback();
   1.111 +  };
   1.112 +  panel.addEventListener("popupshown", function popupshown() {
   1.113 +    panel.removeEventListener("popupshown", popupshown);
   1.114 +    onEvent();
   1.115 +  });
   1.116 +  arrow.addEventListener("load", function imageload() {
   1.117 +    arrow.removeEventListener("load", imageload);
   1.118 +    onEvent();
   1.119 +  });
   1.120 +  panel.openPopup(anchor, position);
   1.121 +}
   1.122 +
   1.123 +var tests = [
   1.124 +  // A panel with the anchor after_end - the anchor should not move on resize
   1.125 +  ['simpleResizeHorizontal', 'middle', function(next) {
   1.126 +    openPopup("after_end", function() {
   1.127 +      isArrowPositionedOn("right");
   1.128 +      var origPanelRect = panel.getBoundingClientRect();
   1.129 +      panel.sizeTo(100, 100);
   1.130 +      isArrowPositionedOn("right"); // should not have flipped, so still "right"
   1.131 +      panel.sizeTo(origPanelRect.width, origPanelRect.height);
   1.132 +      isArrowPositionedOn("right"); // should not have flipped, so still "right"
   1.133 +      next();
   1.134 +    });
   1.135 +  }],
   1.136 +
   1.137 +  ['simpleResizeVertical', 'middle', function(next) {
   1.138 +    openPopup("start_after", function() {
   1.139 +      isArrowPositionedOn("bottom");
   1.140 +      var origPanelRect = panel.getBoundingClientRect();
   1.141 +      panel.sizeTo(100, 100);
   1.142 +      isArrowPositionedOn("bottom"); // should not have flipped
   1.143 +      panel.sizeTo(origPanelRect.width, origPanelRect.height);
   1.144 +      isArrowPositionedOn("bottom"); // should not have flipped
   1.145 +      next();
   1.146 +    });
   1.147 +  }],
   1.148 +
   1.149 +  ['flippingResizeHorizontal', 'middle', function(next) {
   1.150 +    openPopup("after_end", function() {
   1.151 +      isArrowPositionedOn("right");
   1.152 +      panel.sizeTo(anchor.getBoundingClientRect().left + 50, 50);
   1.153 +      isArrowPositionedOn("left"); // check it flipped and has zero offset.
   1.154 +      next();
   1.155 +    });
   1.156 +  }],
   1.157 +
   1.158 +  ['flippingResizeVertical', 'middle', function(next) {
   1.159 +    openPopup("start_after", function() {
   1.160 +      isArrowPositionedOn("bottom");
   1.161 +      panel.sizeTo(50, anchor.getBoundingClientRect().top + 50);
   1.162 +      isArrowPositionedOn("top"); // check it flipped and has zero offset.
   1.163 +      next();
   1.164 +    });
   1.165 +  }],
   1.166 +
   1.167 +  ['simpleMoveToAnchorHorizontal', 'middle', function(next) {
   1.168 +    openPopup("after_end", function() {
   1.169 +      isArrowPositionedOn("right");
   1.170 +      panel.moveToAnchor(anchor, "after_end", 20, 0);
   1.171 +      // the anchor and the panel should have moved 20px right without flipping.
   1.172 +      isArrowPositionedOn("right", 20);
   1.173 +      panel.moveToAnchor(anchor, "after_end", -20, 0);
   1.174 +      // the anchor and the panel should have moved 20px left without flipping.
   1.175 +      isArrowPositionedOn("right", -20);
   1.176 +      next();
   1.177 +    });
   1.178 +  }],
   1.179 +
   1.180 +  ['simpleMoveToAnchorVertical', 'middle', function(next) {
   1.181 +    openPopup("start_after", function() {
   1.182 +      isArrowPositionedOn("bottom");
   1.183 +      panel.moveToAnchor(anchor, "start_after", 0, 20);
   1.184 +      // the anchor and the panel should have moved 20px down without flipping.
   1.185 +      isArrowPositionedOn("bottom", 20);
   1.186 +      panel.moveToAnchor(anchor, "start_after", 0, -20);
   1.187 +      // the anchor and the panel should have moved 20px up without flipping.
   1.188 +      isArrowPositionedOn("bottom", -20);
   1.189 +      next();
   1.190 +    });
   1.191 +  }],
   1.192 +
   1.193 +  // Do a moveToAnchor that causes the panel to flip horizontally
   1.194 +  ['flippingMoveToAnchorHorizontal', 'middle', function(next) {
   1.195 +    var anchorRight = anchor.getBoundingClientRect().right;
   1.196 +    // Size the panel such that it only just fits from the left-hand side of
   1.197 +    // the window to the right of the anchor - thus, it will fit when
   1.198 +    // anchored to the right-hand side of the anchor.
   1.199 +    panel.sizeTo(anchorRight - 10, 100);
   1.200 +    openPopup("after_end", function() {
   1.201 +      isArrowPositionedOn("right");
   1.202 +      // Ask for it to be anchored 1/2 way between the left edge of the window
   1.203 +      // and the anchor right - it can't fit with the panel on the left/arrow
   1.204 +      // on the right, so it must flip (arrow on the left, panel on the right)
   1.205 +      var offset = Math.floor(-anchorRight / 2);
   1.206 +      panel.moveToAnchor(anchor, "after_end", offset, 0);
   1.207 +      isArrowPositionedOn("left", offset); // should have flipped and have the offset.
   1.208 +      // resize back to original and move to a zero offset - it should flip back.
   1.209 +      panel.sizeTo(anchorRight - 10, 100);
   1.210 +      panel.moveToAnchor(anchor, "after_end", 0, 0);
   1.211 +      isArrowPositionedOn("right"); // should have flipped back and no offset
   1.212 +      next();
   1.213 +    });
   1.214 +  }],
   1.215 +
   1.216 +  // Do a moveToAnchor that causes the panel to flip vertically
   1.217 +  ['flippingMoveToAnchorVertical', 'middle', function(next) {
   1.218 +    var anchorBottom = anchor.getBoundingClientRect().bottom;
   1.219 +    // See comments above in flippingMoveToAnchorHorizontal, but read
   1.220 +    // "top/bottom" instead of "left/right"
   1.221 +    panel.sizeTo(100, anchorBottom - 10);
   1.222 +    openPopup("start_after", function() {
   1.223 +      isArrowPositionedOn("bottom");
   1.224 +      var offset = Math.floor(-anchorBottom / 2);
   1.225 +      panel.moveToAnchor(anchor, "start_after", 0, offset);
   1.226 +      isArrowPositionedOn("top", offset);
   1.227 +      panel.sizeTo(100, anchorBottom - 10);
   1.228 +      panel.moveToAnchor(anchor, "start_after", 0, 0);
   1.229 +      isArrowPositionedOn("bottom");
   1.230 +      next();
   1.231 +    });
   1.232 +  }],
   1.233 +
   1.234 +  ['veryWidePanel-after_end', 'middle', function(next) {
   1.235 +    openSlidingPopup("after_end", function() {
   1.236 +      var origArrowRect = arrow.getBoundingClientRect();
   1.237 +      // Now move it such that the arrow can't be at either end of the panel but
   1.238 +      // instead somewhere in the middle as that is the only way things fit,
   1.239 +      // meaning the arrow should "slide" down the panel.
   1.240 +      panel.sizeTo(window.innerWidth - 10, 60);
   1.241 +      is(panel.getBoundingClientRect().width, window.innerWidth - 10, "width is what we requested.")
   1.242 +      // the arrow should not have moved.
   1.243 +      var curArrowRect = arrow.getBoundingClientRect();
   1.244 +      is_close(curArrowRect.left, origArrowRect.left, "arrow should not have moved");
   1.245 +      is_close(curArrowRect.top, origArrowRect.top, "arrow should not have moved up or down");
   1.246 +      next();
   1.247 +    });
   1.248 +  }],
   1.249 +
   1.250 +  ['veryWidePanel-before_start', 'middle', function(next) {
   1.251 +    openSlidingPopup("before_start", function() {
   1.252 +      var origArrowRect = arrow.getBoundingClientRect();
   1.253 +      // Now size it such that the arrow can't be at either end of the panel but
   1.254 +      // instead somewhere in the middle as that is the only way things fit.
   1.255 +      panel.sizeTo(window.innerWidth - 10, 60);
   1.256 +      is(panel.getBoundingClientRect().width, window.innerWidth - 10, "width is what we requested")
   1.257 +      // the arrow should not have moved.
   1.258 +      var curArrowRect = arrow.getBoundingClientRect();
   1.259 +      is_close(curArrowRect.left, origArrowRect.left, "arrow should not have moved");
   1.260 +      is_close(curArrowRect.top, origArrowRect.top, "arrow should not have moved up or down");
   1.261 +      next();
   1.262 +    });
   1.263 +  }],
   1.264 +
   1.265 +  ['veryTallPanel-start_after', 'middle', function(next) {
   1.266 +    openSlidingPopup("start_after", function() {
   1.267 +      var origArrowRect = arrow.getBoundingClientRect();
   1.268 +      // Now move it such that the arrow can't be at either end of the panel but
   1.269 +      // instead somewhere in the middle as that is the only way things fit,
   1.270 +      // meaning the arrow should "slide" down the panel.
   1.271 +      panel.sizeTo(100, window.innerHeight - 10);
   1.272 +      is(panel.getBoundingClientRect().height, window.innerHeight - 10, "height is what we requested.")
   1.273 +      // the arrow should not have moved.
   1.274 +      var curArrowRect = arrow.getBoundingClientRect();
   1.275 +      is_close(curArrowRect.left, origArrowRect.left, "arrow should not have moved");
   1.276 +      is_close(curArrowRect.top, origArrowRect.top, "arrow should not have moved up or down");
   1.277 +      next();
   1.278 +    });
   1.279 +  }],
   1.280 +
   1.281 +  ['veryTallPanel-start_before', 'middle', function(next) {
   1.282 +    openSlidingPopup("start_before", function() {
   1.283 +      var origArrowRect = arrow.getBoundingClientRect();
   1.284 +      // Now size it such that the arrow can't be at either end of the panel but
   1.285 +      // instead somewhere in the middle as that is the only way things fit.
   1.286 +      panel.sizeTo(100, window.innerHeight - 10);
   1.287 +      is(panel.getBoundingClientRect().height, window.innerHeight - 10, "height is what we requested")
   1.288 +      // the arrow should not have moved.
   1.289 +      var curArrowRect = arrow.getBoundingClientRect();
   1.290 +      is_close(curArrowRect.left, origArrowRect.left, "arrow should not have moved");
   1.291 +      is_close(curArrowRect.top, origArrowRect.top, "arrow should not have moved up or down");
   1.292 +      next();
   1.293 +    });
   1.294 +  }],
   1.295 +
   1.296 +  // Tests against the anchor at the right-hand side of the window
   1.297 +  ['afterend', 'right', function(next) {
   1.298 +    openPopup("after_end", function() {
   1.299 +      // when we request too far to the right/bottom, the panel gets shrunk
   1.300 +      // and moved.  The amount it is shrunk by is how far it is moved.
   1.301 +      var panelRect = panel.getBoundingClientRect();
   1.302 +      // panel was requested 100px wide - calc offset based on actual width.
   1.303 +      var offset = panelRect.width - 100;
   1.304 +      isArrowPositionedOn("right", offset);
   1.305 +      next();
   1.306 +    });
   1.307 +  }],
   1.308 +
   1.309 +  ['after_start', 'right', function(next) {
   1.310 +    openPopup("after_start", function() {
   1.311 +      // See above - we are still too far to the right, but the anchor is
   1.312 +      // on the other side.
   1.313 +      var panelRect = panel.getBoundingClientRect();
   1.314 +      var offset = panelRect.width - 100;
   1.315 +      isArrowPositionedOn("right", offset);
   1.316 +      next();
   1.317 +    });
   1.318 +  }],
   1.319 +
   1.320 +  // Tests against the anchor at the left-hand side of the window
   1.321 +  ['after_start', 'left', function(next) {
   1.322 +    openPopup("after_start", function() {
   1.323 +      var panelRect = panel.getBoundingClientRect();
   1.324 +      is(panelRect.left, 0, "panel remains within the screen");
   1.325 +      // not sure how to determine the offset here, so given we have checked
   1.326 +      // the panel is as left as possible while still being inside the window,
   1.327 +      // we just don't check the offset.
   1.328 +      isArrowPositionedOn("left", null);
   1.329 +      next();
   1.330 +    });
   1.331 +  }],
   1.332 +]
   1.333 +
   1.334 +function runTests() {
   1.335 +  var testIter = Iterator(tests);
   1.336 +  function runNextTest() {
   1.337 +    let name, anchorPos, test;
   1.338 +    try {
   1.339 +      let index;
   1.340 +      [index, [name, anchorPos, test]] = testIter.next();
   1.341 +    } catch (err if err instanceof StopIteration) {
   1.342 +      // out of tests
   1.343 +      panel.hidePopup();
   1.344 +      SimpleTest.finish();
   1.345 +      return;
   1.346 +    }
   1.347 +    SimpleTest.info("sub-test " + anchorPos + "." + name + " starting");
   1.348 +    // first arrange for the anchor to be where the test requires it.
   1.349 +    panel.hidePopup();
   1.350 +    panel.sizeTo(100, 50);
   1.351 +    // hide all the anchors here, then later we make one of them visible.
   1.352 +    document.getElementById("anchor-left-wrapper").style.display = "none";
   1.353 +    document.getElementById("anchor-middle-wrapper").style.display = "none";
   1.354 +    document.getElementById("anchor-right-wrapper").style.display = "none";
   1.355 +    switch(anchorPos) {
   1.356 +      case 'middle':
   1.357 +        anchor = document.getElementById("anchor-middle");
   1.358 +        document.getElementById("anchor-middle-wrapper").style.display = "block";
   1.359 +        break;
   1.360 +      case 'left':
   1.361 +        anchor = document.getElementById("anchor-left");
   1.362 +        document.getElementById("anchor-left-wrapper").style.display = "block";
   1.363 +        break;
   1.364 +      case 'right':
   1.365 +        anchor = document.getElementById("anchor-right");
   1.366 +        document.getElementById("anchor-right-wrapper").style.display = "block";
   1.367 +        break;
   1.368 +      default:
   1.369 +        SimpleTest.ok(false, "Bad anchorPos: " + anchorPos);
   1.370 +        runNextTest();
   1.371 +        return;
   1.372 +    }
   1.373 +    try {
   1.374 +      test(runNextTest);
   1.375 +    } catch (ex) {
   1.376 +      SimpleTest.ok(false, "sub-test " + anchorPos + "." + name + " failed: " + ex.toString() + "\n" + ex.stack);
   1.377 +      runNextTest();
   1.378 +    }
   1.379 +  }
   1.380 +  runNextTest();
   1.381 +}
   1.382 +
   1.383 +SimpleTest.waitForExplicitFinish();
   1.384 +
   1.385 +addEventListener("load", function() {
   1.386 +  // anchor is set by the test runner above
   1.387 +  panel = document.getElementById("testPanel");
   1.388 +  arrow = SpecialPowers.wrap(document).getAnonymousElementByAttribute(panel, "anonid", "arrow");
   1.389 +  // Cancel the arrow panel slide-in transition (bug 767133) so the size and
   1.390 +  // position are "stable" enough to test without jumping through hoops...
   1.391 +  arrow.style.transition = "none";
   1.392 +  runTests();
   1.393 +});
   1.394 +
   1.395 +]]>
   1.396 +</script>
   1.397 +
   1.398 +<body xmlns="http://www.w3.org/1999/xhtml">
   1.399 +<!-- Our tests assume at least 100px around the anchor on all sides, else the
   1.400 +     panel may flip when we don't expect it to
   1.401 +-->
   1.402 +<div id="anchor-middle-wrapper" style="margin: 100px 100px 100px 100px;">
   1.403 +  <p>The anchor --&gt; <span id="anchor-middle">v</span> &lt;--</p>
   1.404 +</div>
   1.405 +<div id="anchor-left-wrapper" style="text-align: left; display: none;">
   1.406 +  <p><span id="anchor-left">v</span> &lt;-- The anchor;</p>
   1.407 +</div>
   1.408 +<div id="anchor-right-wrapper" style="text-align: right; display: none;">
   1.409 +  <p>The anchor --&gt; <span id="anchor-right">v</span></p>
   1.410 +</div>
   1.411 +</body>
   1.412 +
   1.413 +</window>

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